在程序里面做一个PLC控制。用RW50 这个地址来控制触摸屏切换画面。然后给RW50这个地址里面赋值。
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威纶触摸屏有一个PLC控制。可以指定一个地址来控制画面，地址里面的数据就等于画面编号，如page=22，就是HMI第22号画面。SetData(page, “Local HMI”, RW, 50, 1)指定RW50名字叫PAGA。
- macro_command main()
- unsigned short page
- unsigned short nian,yue,ri,shi,fen,miao
- unsigned short nianq,yueq,riq,shiq,fenq,miaoq
- GetData(nian, “Local HMI”, LW, 9022, 1)
- GetData(yue, “Local HMI”, LW, 9021, 1)
- GetData(ri, “Local HMI”, LW, 9020, 1)
- GetData(shi, “Local HMI”, LW, 9019, 1)
- GetData(fen, “Local HMI”, LW, 9018, 1)
- GetData(miao, “Local HMI”, LW, 9017, 1)
- GetData(nianq, “Local HMI”, RW, 10, 1)
- GetData(yueq, “Local HMI”, RW, 11, 1)
- GetData(riq, “Local HMI”, RW, 12, 1)
- GetData(shiq, “Local HMI”, RW, 13, 1)
- GetData(fenq, “Local HMI”, RW, 14, 1)
- GetData(miaoq, “Local HMI”, RW, 15, 1)
- if nian>=nianq and yue>=yueq and ri>=riq and shi>=shiq and fen>=fenq and miao>=miaoq then
- page=22
- else
- page=0
- end if
- SetData(page, “Local HMI”, RW, 50, 1)
- end macro_command
